26228663 has 4 divisors (see below), whose sum is σ = 26263368. Its totient is φ = 26193960.

The previous prime is 26228659. The next prime is 26228677. The reversal of 26228663 is 36682262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26228663 - 2² = 26228659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26228633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16193 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (6565842).

Almost surely, 2^26228663 is an apocalyptic number.

26228663 is a deficient number, since it is larger than the sum of its proper divisors (34705).

26228663 is an equidigital number, since it uses as much as digits as its factorization.

26228663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34704.

The product of its digits is 41472, while the sum is 35.

The square root of 26228663 is about 5121.3926816834. The cubic root of 26228663 is about 297.1155517073.

The spelling of 26228663 in words is "twenty-six million, two hundred twenty-eight thousand, six hundred sixty-three".